Document Type and Number:
Japanese Patent JPH0517731
Kind Code:
B2
Inventors:
ADACHI HIROAKI
Application Number:
JP18737287A
Publication Date:
March 10, 1993
Filing Date:
July 27, 1987
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
H04J4/00; H04B7/204
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